Tarenna drummondii Bridson

Species

Angiosperms > Gentianales > Rubiaceae > Tarenna

Characteristics

Shrub or small tree 2–7 m. tall, glabrous; young branches greenish brown when dry, ± terete; older stems covered with brownish grey bark.. Leaf-blades greenish brown when dry, elliptic or narrowly obovate, 8–19 cm. long, 2.5–8.8 cm. wide, acute to acuminate at apex, acute to obtuse or rounded and sometimes unequal at base, moderately shiny above, duller beneath; domatia occasionally present; petiole 0.6–1.9 cm. long; stipules triangular or ± oblong, 3–4 mm. long, obtuse to acute, with or without an apiculum up to 1 mm. long.. Inflorescences terminal, sessile, frequently with an additional 1–2 pairs of pedunculate inflorescences arising from the next 1–2 nodes down, lax; primary branches 1.2–3.5 cm. long, glabrous or sparsely pubescent; pedicels 0.5–1.2 cm. long, puberulous or less often glabrous; bracteoles absent or present inconspicuous, ciliate.. Calyx puberulous or less often glabrous; tube 1–1.25 mm. long; limb ± 1 mm. long, divided for ± 1/3 of its length into oblong to triangular lobes, apiculate, overlapping.. Corolla white; tube ± cylindrical, 4–6 mm. long, ±1.5 mm. wide, glabrous to sparsely pubescent outside, pubescent within; lobes narrowly oblong, 6–7 mm. long, 1–1.25 mm. wide, rounded or irregularly emarginate.. Placenta ± ovate, rather thin, with 2–4 impressed ovules. Fruit black when ripe, ± 6 mm. in diameter, glabrous or sparsely puberulous, 2-locular, containing 5–7 seeds.. Seeds brownish, 3–5 mm. long, smooth; hilar cavity circular; endosperm entire.. Fig. 99.
Life form -
Growth form tree
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0 - 7.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Tarenna drummondii world distribution map, present in Kenya and Tanzania, United Republic of

Conservation status

Tarenna drummondii threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:767453-1
WFO ID wfo-0000320953
COL ID 54XBT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Tarenna drummondii